Du Juan, what if the leaves turn yellow?The yellowing of azalea leaves may be caused by the following reasons, and corresponding solutions can be taken according to different reasons:
** I. Conservation issues **
1. ** In terms of moisture **
- If you forget to water it daily, the lack of water in the cuckoo will cause the leaves to turn yellow. It is necessary to replenish water in time and keep the soil moist during the growth period.
- Azalea liked loose and moist soil. If it was watered too much and too frequently, it would cause the soil to accumulate water, causing the roots to rot and the leaves to turn yellow. At this time, he had to quickly loosen the soil for the cuckoo to promote the water to evaporate. He just needed to keep the soil slightly wet every day.
2. ** Illumination **
- Cuckoos liked cool environments with scattered light. The leaves would turn yellow if they were not exposed to light for a long time or if the light was too strong. The flower pot needed to be moved to a place where there was scattered light in time. It should be properly shielded in the summer when there was strong light.
3. ** In terms of temperature **
- Raising cuckoos required a warm and comfortable environment. If the temperature was low or there was a cold wind blowing, the cuckoo would easily suffer from frost damage, causing its leaves to turn yellow. It should be provided with a suitable temperature of 15 - 25 ° C for growth. In winter, the temperature should be above 10 ° C to safely pass the winter.
** 2. Soil problem **
1. ** Soil pH-value **
- Azalea flowers like acidic soil, usually with a pH between 4.5 and 6. If the soil is too salty, the leaves of the azalea may turn yellow. One could use an acidic soil conditioner or soil specially made for azalea flowers to adjust the ph of the soil. For example, one could use a mixture of 1:1000 of Ferrous Sulphate and water. After the mixture was dissolved, it could be directly poured into the pot soil. After about 20 minutes, it could be watered with clear water. It could not only supplement iron but also make the soil acidic. Daily maintenance, watering some vermicelli water every month, or watering some vinegar can also improve the soil's acidic nature.
2. ** Soil fertility and texture **
- The soil of the azalea that had been cultivated for a long time might become alkalized, hardened, malnourished, and lack of iron, causing the leaves to turn yellow. Therefore, when planting cuckoos in pots, it was necessary to use loose, fertile, and acidic soil rich in organic matter. In the later stages of maintenance, the soil should be changed once every 2 - 3 years to promote growth.
** 3. The problem of fertilisation **
1. ** Lacking fat **
- Azalea flowers had high requirements for nutrients. If the soil lacked the necessary nutrients, such as nitrogen, phosphorus, and potassium, the leaves would easily turn yellow. For example, the blooming of azalea consumed a lot of nutrients, and its growth also consumed nutrients. Without fertilizer, the soil would not have nutrients, and the leaves under it would gradually turn yellow. The fertilizer should be supplemented in time. For example, the application of monobium potassium orthonate once a month to promote flowering, the application of multi-element compound fertilizer in spring to promote growth, and the application of fertilizer should be stopped when the temperature is high in summer and low in winter.
2. ** Over-fertilized **
- Although the azalea needed the right amount of fertilizer, excessive fertilizer could also cause damage to it, causing the leaves to yellow. If the fertilizer concentration was too high, it would cause the seedlings to burn their roots and the leaves to turn yellow. They should irrigate the roots with water in time to dilute the fertilizer solution, and place the azalea in a place with ventilation to promote the evaporating process.
** 4. Pests and diseases **
- Some pests and diseases could also cause the leaves of the azalea to turn yellow, such as leaf mites, aphids, and insects. Carefully observe the leaves and plants. If you find any abnormalities, you can take corresponding measures to prevent and control them. For example, after discovering the invasion of germs and insects, you should spray targeted chemicals in time to prevent and control them. Once a week, spraying three times in a row can be effective.
** 5. Special circumstances **
1. ** New saplings purchased **
- It was normal for the newly bought azalea to have yellowing leaves due to changes in the environment. As long as the cuckoo was placed in a semi-shady and well-vented place, it would be able to grow normally in about a week.
2. ** In terms of trimming **
- After finding yellow leaves, they should trim the cuckoo in time, cutting short the yellow leaves, sick branches, weak branches, and overgrown branches to save nutrients and make the branches reasonably distributed.
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2024-11-17 10:49